Numbers 35:12

12The cities shall be for you a refuge from the avenger, that the manslayer may not die until he stands before the congregation for judgment.

Numbers 35:25

25And the congregation shall rescue the manslayer from the hand of the avenger of blood, and the congregation shall restore him to his city of refuge to which he had fled, and he shall live in it auntil the death of the high priest bwho was anointed with the holy oil.
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